Segmented pen 84 pieces of wood

Had some free time one day and wanted to try a idea I had . To segement a couple of pen balnks. The black and white pen is made up of 84 pieces of wood , Curly maple , gaboon ebony , walnut. The green pen is made up of 38 pieces of wood , Lignum Vitae , yellowheart. The glue up took me about 2.5 hours total.